* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: whitesmoke;
    height: 100vh;
}

button {
    position: relative;
    background-color: red;
    color: white;
    font-size: 14px;
    letter-spacing: 2px;
    padding: 20px 30px;
    border: 1px solid red;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.circle {
    position: absolute;
    background-color: white;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    animation: cartoon 0.6s linear;
}

@keyframes cartoon {
    to {
        transform: translate(-50%, -50%) scale(3);
        opacity: 0;
    }
}